package com.aaa.snsservice.service.impl;

import com.aaa.snsservice.dao.TbCommentDao;
import com.aaa.snsservice.entity.TbComment;
import com.aaa.snsservice.service.TbCommentService;
import org.springframework.stereotype.Service;

import javax.annotation.Resource;
import java.util.List;

/**
 * (TbComment)表服务实现类
 *
 * @author makejava
 * @since 2020-11-04 16:40:24
 */
@Service("tbCommentService")
public class TbCommentServiceImpl implements TbCommentService {
    @Resource
    private TbCommentDao tbCommentDao;

    /**
     * 通过ID查询单条数据
     *
     * @param id 主键
     * @return 实例对象
     */
    @Override
    public TbComment queryById(Long id) {
        return this.tbCommentDao.queryById(id);
    }

    /**
     * 查询多条数据
     *
     * @param offset 查询起始位置
     * @param limit  查询条数
     * @return 对象列表
     */
    @Override
    public List<TbComment> queryAllByLimit(int offset, int limit) {
        return this.tbCommentDao.queryAllByLimit(offset, limit);
    }

    /**
     * 新增数据
     *
     * @param tbComment 实例对象
     * @return 实例对象
     */
    @Override
    public TbComment insert(TbComment tbComment) {
        this.tbCommentDao.insert(tbComment);
        return tbComment;
    }

    /**
     * 修改数据
     *
     * @param tbComment 实例对象
     * @return 实例对象
     */
    @Override
    public TbComment update(TbComment tbComment) {
        this.tbCommentDao.update(tbComment);
        return this.queryById(tbComment.getId());
    }

    /**
     * 通过主键删除数据
     *
     * @param id 主键
     * @return 是否成功
     */
    @Override
    public boolean deleteById(Long id) {
        return this.tbCommentDao.deleteById(id) > 0;
    }
}